When can I plant Iceland Poppy in Zone 4a

Before planting it is a good idea to find our USDA Zone info to determine our garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

In Zone 4a you can determine when to plant iceland poppy by checking out the USDA zone info.


Planting Calendar for Iceland Poppy

Frost tolerance for iceland poppy: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Iceland Poppy do well in moderate cold which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant iceland poppy
Possibly ok, but a risky time to plant iceland poppy
Probably not a good time to plant iceland poppy

The earliest that you can plant iceland poppy in Zone 4a is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant iceland poppy and expect a good harvest is probably August. Any later than that and your iceland poppy may not have a chance to fully mature. If you are starting your iceland poppy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Zone 4a. We can expect an average low temperature of -30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 4a may not be accurate from year to year and our actual date of last frost changes from year to year. Half of the time in Zone 4a we get surprised by a frost after May 15 so just be sure to be ready to protect your iceland poppy if we have a surprise late frost.

USDA Zone Info for Zone 4a

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zone 4a

You may be interested in our other planting guides for Zone 4a.